8113545 has 48 divisors (see below), whose sum is σ = 15792192. Its totient is φ = 3818880.

The previous prime is 8113543. The next prime is 8113559. The reversal of 8113545 is 5453118.

8113545 is a `hidden beast` number, since 8 + 113 + 545 = 666.

It is not a de Polignac number, because 8113545 - 2¹ = 8113543 is a prime.

It is a super-2 number, since 2×8113545² = 131659224934050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8113543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18094 + ... + 18536.

It is an arithmetic number, because the mean of its divisors is an integer number (329004).

Almost surely, 2^8113545 is an apocalyptic number.

It is an amenable number.

8113545 is a deficient number, since it is larger than the sum of its proper divisors (7678647).

8113545 is a wasteful number, since it uses less digits than its factorization.

8113545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 499 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 8113545 is about 2848.4285141109. The cubic root of 8113545 is about 200.9417667496.

It can be divided in two parts, 811 and 3545, that added together give a square (4356 = 66²).

The spelling of 8113545 in words is "eight million, one hundred thirteen thousand, five hundred forty-five".